P403C3

View detailed technical data, stock status, and sourcing information for: P403C3
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-00-913-8731

Item Name Code

05277

Assigment Date

07/01/1966 (60 years ago)

right-hand thread direction, hexagon nut style, 3b thread class, 0.202 inches minimum and 0.250 inches maximum nut height, prevailing torque all metal design locking feature

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Thread Class: 3b
Thread Direction: right-hand
Locking Feature: prevailing torque all metal design
Nut Style: hexagon
Nut Height: 0.202 inches minimum and 0.250 inches maximum
Width Across Flats: 0.365 inches minimum and 0.377 inches maximum
Temp Rating: 1200.0 fahrenheit nominal
Thread Series: unf
Thread Quantity Per Inch: 32
Nominal Thread Size: 0.190 inches
Bearing Surface Type: flat
Special Features: three holes 0.043 in. min 0.049 in. max dia drilled through alternate corners
Material: steel corrosion resisting overall
Precious Material: silver
Surface Treatment: silver overall

Related Parts

This NSN group includes multiple components designed to meet specific performance and operational standards. Each listing provides detailed specs, functionality data, and replacement compatibility information:

Part Number	Name
P403C3	Hexagon Self-Locking Nut

FAQs

Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.

What is the FSCG of the NSN 5310-00-913-8731?

The FSCG of the NSN 5310-00-913-8731 is 5310

Does the NSN 5310-00-913-8731 have a Schedule B code assigned?

Yes, the Schedule B code is 7318160000

Does NSN 5310-00-913-8731 require demilitarization?

Items subject to the export administration regulations (ear) in parts 730-774 of title 15, code of federal regulations (cfr) (ccli or ear99) and determined by dod to present a low risk when released out of dod control. No demil, mut, or end use certificate is required. May require an export licensefrom doc.

Does NSN 5310-00-913-8731 contain precious materials?

Item contains silver.

Does NSN 5310-00-913-8731 contain hazardous materials?

Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.

When the NSN 5310-00-913-8731 was assigned to the Federal Catalog?

It was assigned 60 years ago, on Fri, Jul 1, 1966